Image ↔ Base64
Image ↔ Base64 instantly converts an image into Base64 text (including a full data URI), or turns a Base64/data URI string you paste back into a downloadable image. Handy when working with images embedded in CSS, HTML, or JSON.
How to use
- 1Choose "Image → Base64" or "Base64 → Image" mode.
- 2Upload an image, or paste your Base64 text.
- 3Copy or download the result.
Why FREE PDF?
- Completely free
- No account required
- Processing happens in your browser whenever possible
- Your files stay yours
Frequently Asked Questions
What's a Base64-encoded image useful for?
It provides a text representation that can be embedded directly in HTML, CSS, or JSON without a separate file (e.g. as a CSS data URI).
Can I convert Base64 text back into an image?
Yes, the tool works both ways: convert an image to Base64, or convert Base64 text back into an image.
Does Base64 encoding increase file size?
Yes, the Base64 text representation is roughly 33% larger than the original file — use it carefully for large images.
Which image formats are supported?
Common formats including JPG, PNG, and WEBP can be encoded to Base64.